safety fuse


noun

a slow-burning fuse for igniting detonators from a distance
an electrical fuse that protects a circuit from overloading

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Example sentences from the Web for safety fuse

  • He did not know that we had already worked out the safety-fuse, and that every group of lights was thus protected independently.

    Edison, His Life and Inventions|Frank Lewis Dyer and Thomas Commerford Martin